--创建测试数据
C:>set NLS_LANG=SIMPLIFIED CHINESE_CHINA.ZHS16GBK
C:>sqlplus / as sysdba
SQL*Plus: Release 10.2.0.4.0 - Production on 星期三 3月 12 22:10:38 2014
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
连接到:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> create tablespace zwc datafile 'C:oraclezwc01.dbf' size 500m;
表空间已创建。
SQL> create user zwc identified by zwc;
用户已创建。
SQL> grant resource,connect to zwc;
授权成功。
SQL> conn zwc
输入口令:
已连接。
SQL> create table zwc.tab01(a int primary key,b varchar2(100),c varchar2(100),d date default sysdate) tablespace zwc;
表已创建。
SQL> create or replace procedure p_inst_tab01 as
2 begin
3 for i in 1..2000000 loop
4 insert into tab01(a,b,c,d) values(i,i,i,sysdate);
5 if mod(i,2000)=0 then
6 commit;
7 end if;
8 end loop;
9 end p_inst_tab01;
10 /
过程已创建。
SQL> show user
USER 为 "ZWC"
SQL> exec p_inst_tab01;
PL/SQL 过程已成功完成。
SQL> select count(*) from tab01;
COUNT(*)
----------
2000000
SQL> select sum(bytes)/1024/1024 "size MB" from user_segments where segment_name='TAB01';
size MB
----------
80
--删除、更新数据
SQL> show user
USER 为 "SYS"
SQL> alter database add supplemental log data;
数据库已更改。
SQL> delete from zwc.tab01 where rownum<=100;
已删除100行。
SQL> update zwc.tab01 set d=sysdate-100 where rownum<=10;
已更新10行。
SQL> commit;
提交完成。
--使用logminer找回数据
SQL> alter system set utl_file_dir='c:oracle' scope=spfile;
系统已更改。
SQL> alter session set nls_date_format ='yyyy-mm-dd hh24:mi:ss';
会话已更改。
SQL> shutdown immediate
数据库已经关闭。
已经卸载数据库。
ORACLE 例程已经关闭。
SQL> startup
ORACLE 例程已经启动。
Total System Global Area 612368384 bytes
Fixed Size 2067656 bytes
Variable Size 167772984 bytes
Database Buffers 436207616 bytes
Redo Buffers 6320128 bytes
数据库装载完毕。
数据库已经打开。
SQL> execute dbms_logmnr_d.build(dictionary_filename=>'test.ora',dictionary_location=>'c:oracle');
PL/SQL 过程已成功完成。
--select group#,status from v$log;
--select group#,member from v$logfile;
SQL> execute dbms_logmnr.add_logfile(logfilename=>'C:archARC00041_0842045960.001',options=>dbms_logmnr.new);
PL/SQL 过程已成功完成。
SQL> execute dbms_logmnr.start_logmnr(dictFilename=>'c:oracletest.ora');
PL/SQL 过程已成功完成。
SQL> create table zwc.t_logminer tablespace zwc as select * from v_$logmnr_contents;
表已创建。
SQL> select count(*) from zwc.t_logminer;
COUNT(*)
----------
212
SQL> execute dbms_logmnr.end_logmnr;
PL/SQL 过程已成功完成。
SQL> select count(*) from zwc.t_logminer where seg_name='TAB01' and seg_owner='ZWC';
COUNT(*)
----------
110
--需要恢复数据查询SQL_UNDO，执行误删除的是SQL_REDO，OPERATION是操作类型
[oracle@db10 ~]$ sqlplus zwc/zwc@192.168.1.10:1521/prod
SQL*Plus: Release 10.2.0.5.0 - Production on Wed Mar 12 23:10:15 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> set lines 150 pages 200
SQL> select SQL_UNDO from t_logminer where seg_name='TAB01' and seg_owner='ZWC' and OPERATION='DELETE';
SQL_UNDO
------------------------------------------------------------------------------------------------------------------------------------------------------
insert into "ZWC"."TAB01"("A","B","C","D") values ('201','201','201',TO_DATE('02-12月-13', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('202','202','202',TO_DATE('02-12月-13', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('203','203','203',TO_DATE('02-12月-13', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('204','204','204',TO_DATE('02-12月-13', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('205','205','205',TO_DATE('02-12月-13', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('206','206','206',TO_DATE('02-12月-13', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('207','207','207',TO_DATE('02-12月-13', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('208','208','208',TO_DATE('02-12月-13', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('209','209','209',TO_DATE('02-12月-13', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('210','210','210',TO_DATE('02-12月-13', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('211','211','211',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('212','212','212',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('213','213','213',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('214','214','214',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('215','215','215',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('216','216','216',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('217','217','217',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('218','218','218',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('219','219','219',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('220','220','220',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('221','221','221',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('222','222','222',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('223','223','223',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('224','224','224',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('225','225','225',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('226','226','226',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('227','227','227',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('228','228','228',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('229','229','229',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('230','230','230',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('231','231','231',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('232','232','232',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('233','233','233',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('234','234','234',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('235','235','235',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('236','236','236',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('237','237','237',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('238','238','238',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('239','239','239',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('240','240','240',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('241','241','241',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('242','242','242',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('243','243','243',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('244','244','244',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('245','245','245',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('246','246','246',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('247','247','247',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('248','248','248',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('249','249','249',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('250','250','250',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('251','251','251',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('252','252','252',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('253','253','253',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('254','254','254',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('255','255','255',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('256','256','256',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('257','257','257',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('258','258','258',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('259','259','259',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('260','260','260',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('261','261','261',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('262','262','262',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('263','263','263',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('264','264','264',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('265','265','265',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('266','266','266',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('267','267','267',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('268','268','268',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('269','269','269',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('270','270','270',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('271','271','271',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('272','272','272',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('273','273','273',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('274','274','274',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('275','275','275',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('276','276','276',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('277','277','277',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('278','278','278',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('279','279','279',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('280','280','280',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('281','281','281',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('282','282','282',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('283','283','283',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('284','284','284',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('285','285','285',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('286','286','286',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('287','287','287',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('288','288','288',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('289','289','289',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('290','290','290',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('291','291','291',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('292','292','292',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('293','293','293',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('294','294','294',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('295','295','295',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('296','296','296',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('297','297','297',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('298','298','298',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('299','299','299',TO_DATE('12-3月 -14', 'DD-MON-RR'));
insert into "ZWC"."TAB01"("A","B","C","D") values ('300','300','300',TO_DATE('12-3月 -14', 'DD-MON-RR'));
100 rows selected.
SQL> select SQL_UNDO from t_logminer where seg_name='TAB01' and seg_owner='ZWC' and OPERATION='UPDATE';
SQL_UNDO
------------------------------------------------------------------------------------------------------------------------------------------------------
update "ZWC"."TAB01" set "D" = TO_DATE('12-3月 -14', 'DD-MON-RR') where "D" = TO_DATE('02-12月-13', 'DD-MON-RR') and ROWID = 'AAAM7rAAGAAAAAMAEs';
update "ZWC"."TAB01" set "D" = TO_DATE('12-3月 -14', 'DD-MON-RR') where "D" = TO_DATE('02-12月-13', 'DD-MON-RR') and ROWID = 'AAAM7rAAGAAAAAMAEt';
update "ZWC"."TAB01" set "D" = TO_DATE('12-3月 -14', 'DD-MON-RR') where "D" = TO_DATE('02-12月-13', 'DD-MON-RR') and ROWID = 'AAAM7rAAGAAAAAMAEu';
update "ZWC"."TAB01" set "D" = TO_DATE('12-3月 -14', 'DD-MON-RR') where "D" = TO_DATE('02-12月-13', 'DD-MON-RR') and ROWID = 'AAAM7rAAGAAAAANAAA';
update "ZWC"."TAB01" set "D" = TO_DATE('12-3月 -14', 'DD-MON-RR') where "D" = TO_DATE('02-12月-13', 'DD-MON-RR') and ROWID = 'AAAM7rAAGAAAAANAAB';
update "ZWC"."TAB01" set "D" = TO_DATE('12-3月 -14', 'DD-MON-RR') where "D" = TO_DATE('02-12月-13', 'DD-MON-RR') and ROWID = 'AAAM7rAAGAAAAANAAC';
update "ZWC"."TAB01" set "D" = TO_DATE('12-3月 -14', 'DD-MON-RR') where "D" = TO_DATE('02-12月-13', 'DD-MON-RR') and ROWID = 'AAAM7rAAGAAAAANAAD';
update "ZWC"."TAB01" set "D" = TO_DATE('12-3月 -14', 'DD-MON-RR') where "D" = TO_DATE('02-12月-13', 'DD-MON-RR') and ROWID = 'AAAM7rAAGAAAAANAAE';
update "ZWC"."TAB01" set "D" = TO_DATE('12-3月 -14', 'DD-MON-RR') where "D" = TO_DATE('02-12月-13', 'DD-MON-RR') and ROWID = 'AAAM7rAAGAAAAANAAF';
update "ZWC"."TAB01" set "D" = TO_DATE('12-3月 -14', 'DD-MON-RR') where "D" = TO_DATE('02-12月-13', 'DD-MON-RR') and ROWID = 'AAAM7rAAGAAAAANAAG';
10 rows selected.
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